On Mon, 2010-01-18 at 16:26 +0100, David Sveningsson wrote:
> (gdb) bt
> #0 0x00000000004442bb in coff_write_relocs (abfd=0x196ff20) at
> /home/ext/temp/cegcc/src/binutils/bfd/coffcode.h:2651
> #1 coff_write_object_contents (abfd=0x196ff20) at
> /home/ext/temp/cegcc/src/binutils/bfd/coffcode.h:4131
> #2 0x000000000042fb57 in bfd_make_readable (abfd=0x196ff20) at
> /home/ext/temp/cegcc/src/binutils/bfd/opncls.c:865
> #3 0x0000000000424510 in make_singleton_name_imp (rel=0x1db62a0,
> s=<value optimized out>, addend=0)
> at /home/ext/temp/cegcc/src/binutils/ld/pe-dll.c:2253
> #4 pe_create_import_fixup (rel=0x1db62a0, s=<value optimized out>,
> addend=0) at /home/ext/temp/cegcc/src/binutils/ld/pe-dll.c:2570
> #5 0x000000000041dda2 in make_import_fixup (rel=0x1db62a0, s=0x19810c0)
> at earm_wince_pe.c:957
> #6 0x00000000004203e7 in pe_walk_relocs_of_symbol (info=<value
> optimized out>, name=0x1981ea0 "av_pix_fmt_descriptors",
> cb=0x41dd20 <make_import_fixup>) at
> /home/ext/temp/cegcc/src/binutils/ld/pe-dll.c:1262
> #7 0x000000000041d1eb in pe_find_data_imports () at earm_wince_pe.c:1027
> #8 0x000000000041d3ba in gld_arm_wince_pe_after_open () at
> earm_wince_pe.c:1124
> #9 0x0000000000410e48 in lang_process () at
> /home/ext/temp/cegcc/src/binutils/ld/ldlang.c:6293
> #10 0x0000000000415907 in main (argc=83, argv=0x7fff39dc8b58) at
> /home/ext/temp/cegcc/src/binutils/ld/ldmain.c:455
>
>
> (gdb) frame 0
> #0 0x00000000004442bb in coff_write_relocs (abfd=0x196ff20) at
> /home/ext/temp/cegcc/src/binutils/bfd/coffcode.h:2651
> 2651 if (q->sym_ptr_ptr[0]->the_bfd != abfd)
>
>
>
> (gdb) p q->sym_ptr_ptr[0]
> $5 = (struct bfd_symbol *) 0x0
ld is looking for the av_pix_fmt_descriptors symbol. When it finds it,
it tries to handle it (make_import_fixup) but it ends up crashing in
make_singleton_name_imp. That's for the .idata$5 section.
Strangely, it has already done make_singleton_name_thunk which is
similar but succeeds. That's for .idata$4.
This is the first call to make_import_fixup in that run of ld.
The symbol you print (value 0x0) does have a sensible value in the
execution of make_singleton_name_thunk - for .idata$4.
Looking further, but additional eyes might help :-)
Danny
--
Danny Backx ; danny.backx - at - scarlet.be ; http://danny.backx.info
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